Colorado Revised Statutes Title 37. Water and Irrigation § 37-25-104. Denomination--coupons--record

The bonds shall be of the denomination of one hundred dollars or five hundred dollars, negotiable in form, executed in the name of the district, and signed by the president and secretary, and the seal of the district shall be affixed thereto. The bonds shall be numbered consecutively and bear the date of their issue. Coupons for the interest shall be attached to each bond bearing the lithographed signatures of the president and secretary. The bonds shall express on their face that they are issued by the authority of articles 20 to 30 of this title. The secretary shall keep a record of the bonds sold, their number, date of sale, the price received, and the name of the purchaser.